From cb5f0b4971481fd8985c78c7a24e422f45ea6560 Mon Sep 17 00:00:00 2001
From: "Felix S. Klock II" <pnkfelix@pnkfx.org>
Date: Fri, 5 Jun 2015 14:20:35 +0200
Subject: [PATCH] Avoid feature-warnings on stage0.

---
 src/libstd/lib.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index 784f5eecf0be..907eb3ed401f 100644
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -203,6 +203,7 @@
        test(no_crate_inject, attr(deny(warnings))),
        test(attr(allow(dead_code, deprecated, unused_variables, unused_mut))))]
 
+#![cfg_attr(stage0, allow(unused_features))]
 #![feature(alloc)]
 #![feature(allow_internal_unstable)]
 #![feature(associated_consts)]